Every CVE Search/ Get API key

CVE-2009-1839

Mozilla Firefox 3 before 3.0.11 associates an incorrect principal with a file: URL loaded through...

5.4 MediumPublic exploit

Mozilla Firefox 3 before 3.0.11 associates an incorrect principal with a file: URL loaded through the location bar, which allows user-assisted remote attackers to bypass intended access restrictions and read files via a crafted HTML document, aka a "file-URL-to-file-URL scripting" attack.

Exploit likelihood

7.12%Down 5.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.4

Mozilla Firefox 3 before 3.0.11 associates an incorrect principal with a file: URL loaded through the location bar, which allows user-assisted remote attackers to bypass intended access restrictions and read files via a crafted HTML document, aka a "file-URL-to-file-URL scripting" attack.

Record
CVE-2009-1839
CVSS 2.0
5.4 MediumAV:N/AC:H/Au:N/C:C/I:N/A:N
Weakness
CWE-264
Updated
2026-11-02
CVE List No score

Mozilla Firefox 3 before 3.0.11 associates an incorrect principal with a file: URL loaded through the location bar, which allows user-assisted remote attackers to bypass intended access restrictions and read files via a crafted HTML document, aka a "file-URL-to-file-URL scripting" attack.

Record
CVE-2009-1839
Updated
2026-11-02
EUVDEUVD-2009-1834 No score

Mozilla Firefox 3 before 3.0.11 associates an incorrect principal with a file: URL loaded through the location bar, which allows user-assisted remote attackers to bypass intended access restrictions and read files via a crafted HTML document, aka a "file-URL-to-file-URL scripting" attack.

Record
EUVD-2009-1834
Updated
2026-11-03
GitHub AdvisoriesGHSA-mx4x-6484-3f7v No score

Mozilla Firefox 3 before 3.0.11 associates an incorrect principal with a file: URL loaded through...

Mozilla Firefox 3 before 3.0.11 associates an incorrect principal with a file: URL loaded through the location bar, which allows user-assisted remote attackers to bypass intended access restrictions and read files via a crafted HTML document, aka a "file-URL-to-file-URL scripting" attack.

Record
GHSA-mx4x-6484-3f7v
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
xulrunner
Debian:5.0
From an advisory covering 12 CVEs
 before 1.9.0.11-0lenny1, plus listed versions
1.9.0.10-11.9.0.5-11.9.0.6-11.9.0.7-0lenny11.9.0.7-0lenny2
Show 4 moreShow less
1.9.0.7-11.9.0.8-11.9.0.9-0lenny21.9.0.9-1
1.9.0.11-0lenny1
firefox
Red Hat:enterprise_linux:4::as
From an advisory covering 11 CVEs
 before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 11 CVEs
 before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 11 CVEs
 before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 11 CVEs
 before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 11 CVEs
 before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 11 CVEs
 before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 11 CVEs
 before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 11 CVEs
 before 0:3.0.11-4.el4
0:3.0.11-4.el4
xulrunner
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 11 CVEs
 before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
Show 13 moreShow less
Affected packages
PackageAffectedFixed
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 11 CVEs
 before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 11 CVEs
 before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-devel-unstable
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 11 CVEs
 before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
firefox
Red Hat:enterprise_linux:5::client
From an advisory covering 11 CVEs
 before 0:3.0.11-2.el5_3
0:3.0.11-2.el5_3
firefox-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 11 CVEs
 before 0:3.0.11-2.el5_3
0:3.0.11-2.el5_3
xulrunner
Red Hat:enterprise_linux:5::client
From an advisory covering 11 CVEs
 before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 11 CVEs
 before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
firefox
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
 before 0:3.0.11-2.el5_3
0:3.0.11-2.el5_3
firefox-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
 before 0:3.0.11-2.el5_3
0:3.0.11-2.el5_3
xulrunner
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
 before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
 before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
 before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-devel-unstable
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
 before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMozilla Firefox - Location Bar Spoofing2009-12-18

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-1839 is a medium vulnerability (CVSS 5.4) in Mozilla Firefox, published June 12, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.12%, the 94th percentile. No source names a fixed version.

References

Show 61 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open